| 1. | Odors have been associated with particular matter .
气味是与微粒物质合在一起的。 |
| 2. | Particulate matter includes particles from molecular size to greater than 10mm in diameter .
微粒物质包括从分子大小到直径大于10微米的粒子。 |
| 3. | Membrane filters - part 4 : testing for particulate matter release
膜式过滤器.第4部分:微粒物质漏出检验 |
| 4. | Standard test method for free water , particulate and other contamination in aviation fuels visual inspection procedures
航空燃料中游离水微粒物质和其他污物的标准试验方法 |
| 5. | Particulate matter pollution is considered the biggest health risk . but the who air quality guidelines also recommended lowering the daily allowed limits for ozone
除了指出微粒物质的污染被视为最大的健康威胁外， who空气质量指南还推荐调低日均臭氧限值。 |
| 6. | Workplace air - determination of metals and metalloids in airborne particulate matter by inductively coupled plasma atomic emission spectrometry - part 2 : sample preparation
工作场所空气.感应耦合等离子原子发射光谱法测定气体中微粒物质中的金属和准金属.第2部分:样品制备 |
| 7. | Diesel oxidation catalyst and passive particulate traps have been installed in one of our diesel vehicles with the assistance of the electrical and mechanical services department as a trial for the purpose of reducing emission of particulate matters since 2001
在机电工程署的协助下，本处已由二零零一年起试行在其中一辆柴油车安装柴油催化器及不动式粒子过滤器，以减少车辆排放的微粒物质。 |
| 8. | Fine particulate matter and other emissions from older diesel - powered trucks and buses contribute to air pollution in beijing and throughout china and pose serious public health concerns . environmental impacts of diesel exhaust emissions include its contribution to ozone formation and acid rain
美国环境保护署的新闻简报说，从年代较久的柴油机动车中排放出的微粒物质和废气是造成中国空气污染和由此产生的种种健康问题的部分原因。 |
